Home / 735,133.60-1,102,117.20-402,709.60

Finding the Fourth Proportional to 735,133.60, 1,102,117.20 and 402,709.60

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Solution

The fourth proportional to 735,133.60, 1,102,117.20 and 402,709.60 is: 603,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,133.60 : 1,102,117.20 = 402,709.60 : x
  2. Step 2: Convert to fraction form
    735,133.60/1,102,117.20 = 402,709.60/x
  3. Step 3: Cross multiply
    735,133.60x = 1,102,117.20 × 402,709.60
  4. Step 4: Simplify right side
    735,133.60x = 443,833,176,765.12
  5. Step 5: Solve for x
    x = 443,833,176,765.12/735,133.60
  6. Step 6: Final answer
    x = 603,744.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.